Wongsanuphat, Suphanat, Charuttaporn Jitpeera, Sopon Iamsirithaworn, Yongjua Laosiritaworn, and Panithee Thammawijaya. “An Evaluation of the Enhanced Information System for COVID-19 Surveillance in Thailand, 2020: A Pre-Post Intervention Comparison”. Outbreak, Surveillance, Investigation & Response (OSIR) Journal 13, no. 3 (September 30, 2020): 101–109. Accessed May 18, 2024. https://he02.tci-thaijo.org/index.php/OSIR/article/view/262806.